ports/sysdeps/unix/sysv/linux/alpha/xstatconv.c

   1 /* Convert between the kernel's `struct stat' format, and libc's.
   2    Copyright (C) 1997-2014 Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   4
   5    The GNU C Library is free software; you can redistribute it and/or
   6    modify it under the terms of the GNU Lesser General Public
   7    License as published by the Free Software Foundation; either
   8    version 2.1 of the License, or (at your option) any later version.
   9
  10    The GNU C Library is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13    Lesser General Public License for more details.
  14
  15    You should have received a copy of the GNU Lesser General Public
  16    License along with the GNU C Library.  If not, see
  17    <http://www.gnu.org/licenses/>.  */
  18
  19 #include <errno.h>
  20 #include <string.h>
  21 #include <sys/stat.h>
  22 #include <kernel_stat.h>
  23 #include <xstatconv.h>
  24 #include <sys/syscall.h>
  25
  26 int
  27 __xstat_conv (int vers, struct kernel_stat *kbuf, void *ubuf)
  28 {
  29   switch (vers)
  30     {
  31     case _STAT_VER_KERNEL:
  32       *(struct kernel_stat *) ubuf = *kbuf;
  33       break;
  34
  35     case _STAT_VER_GLIBC2:
  36       {
  37         struct glibc2_stat *buf = ubuf;
  38
  39         buf->st_dev = kbuf->st_dev;
  40         buf->st_ino = kbuf->st_ino;
  41         buf->st_mode = kbuf->st_mode;
  42         buf->st_nlink = kbuf->st_nlink;
  43         buf->st_uid = kbuf->st_uid;
  44         buf->st_gid = kbuf->st_gid;
  45         buf->st_rdev = kbuf->st_rdev;
  46         buf->st_size = kbuf->st_size;
  47         buf->st_atime = kbuf->st_atime;
  48         buf->st_mtime = kbuf->st_mtime;
  49         buf->st_ctime = kbuf->st_ctime;
  50         buf->st_blksize = kbuf->st_blksize;
  51         buf->st_blocks = kbuf->st_blocks;
  52         buf->st_flags = kbuf->st_flags;
  53         buf->st_gen = kbuf->st_gen;
  54       }
  55       break;
  56
  57     case _STAT_VER_GLIBC2_1:
  58       {
  59         struct glibc21_stat *buf = ubuf;
  60
  61         buf->st_dev = kbuf->st_dev;
  62         buf->st_ino = kbuf->st_ino;
  63         buf->st_mode = kbuf->st_mode;
  64         buf->st_nlink = kbuf->st_nlink;
  65         buf->st_uid = kbuf->st_uid;
  66         buf->st_gid = kbuf->st_gid;
  67         buf->st_rdev = kbuf->st_rdev;
  68         buf->st_size = kbuf->st_size;
  69         buf->st_atime = kbuf->st_atime;
  70         buf->st_mtime = kbuf->st_mtime;
  71         buf->st_ctime = kbuf->st_ctime;
  72         buf->st_blocks = kbuf->st_blocks;
  73         buf->st_blksize = kbuf->st_blksize;
  74         buf->st_flags = kbuf->st_flags;
  75         buf->st_gen = kbuf->st_gen;
  76         buf->__pad3 = 0;
  77         buf->__glibc_reserved[0] = 0;
  78         buf->__glibc_reserved[1] = 0;
  79         buf->__glibc_reserved[2] = 0;
  80         buf->__glibc_reserved[3] = 0;
  81       }
  82       break;
  83
  84     case _STAT_VER_GLIBC2_3_4:
  85       {
  86         struct stat64 *buf = ubuf;
  87
  88         buf->st_dev = kbuf->st_dev;
  89         buf->st_ino = kbuf->st_ino;
  90         buf->st_rdev = kbuf->st_rdev;
  91         buf->st_size = kbuf->st_size;
  92         buf->st_blocks = kbuf->st_blocks;
  93
  94         buf->st_mode = kbuf->st_mode;
  95         buf->st_uid = kbuf->st_uid;
  96         buf->st_gid = kbuf->st_gid;
  97         buf->st_blksize = kbuf->st_blksize;
  98         buf->st_nlink = kbuf->st_nlink;
  99         buf->__pad0 = 0;
 100
 101         buf->st_atime = kbuf->st_atime;
 102         buf->st_atimensec = 0;
 103         buf->st_mtime = kbuf->st_mtime;
 104         buf->st_mtimensec = 0;
 105         buf->st_ctime = kbuf->st_ctime;
 106         buf->st_ctimensec = 0;
 107
 108         buf->__glibc_reserved[0] = 0;
 109         buf->__glibc_reserved[1] = 0;
 110         buf->__glibc_reserved[2] = 0;
 111       }
 112       break;
 113
 114     default:
 115       __set_errno (EINVAL);
 116       return -1;
 117     }
 118
 119   return 0;
 120 }